EDA Report

Brought to you by YData

Dataset statistics

Number of variables	15
Number of observations	29531
Missing cells	0
Missing cells (%)	0.0%
Duplicate rows	0
Duplicate rows (%)	0.0%
Total size in memory	8.2 MiB
Average record size in memory	292.8 B

Variable types

Categorical	2
DateTime	1
Numeric	12

Alerts

`AQI` is highly overall correlated with `AQI_Bucket` and 2 other fields	High correlation
`AQI_Bucket` is highly overall correlated with `AQI`	High correlation
`Benzene` is highly overall correlated with `Toluene`	High correlation
`NO` is highly overall correlated with `NOx`	High correlation
`NO2` is highly overall correlated with `NOx`	High correlation
`NOx` is highly overall correlated with `NO` and 1 other fields	High correlation
`PM10` is highly overall correlated with `AQI` and 1 other fields	High correlation
`PM2.5` is highly overall correlated with `AQI` and 1 other fields	High correlation
`Toluene` is highly overall correlated with `Benzene`	High correlation
`Benzene` is highly skewed (γ1 = 23.63338029)	Skewed
`NOx` has 740 (2.5%) zeros	Zeros
`CO` has 2328 (7.9%) zeros	Zeros
`Benzene` has 3802 (12.9%) zeros	Zeros
`Toluene` has 2861 (9.7%) zeros	Zeros

Reproduction

Analysis started	2025-06-02 04:38:30.783839
Analysis finished	2025-06-02 04:38:50.658073
Duration	19.87 seconds
Software version	ydata-profiling vv4.16.1
Download configuration	config.json

City
Categorical

Distinct	26
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Memory size	1.8 MiB

Ahmedabad	2009
Bengaluru	2009
Chennai	2009
Mumbai	2009
Lucknow	2009
Other values (21)	19486

Length

Max length	18
Median length	12
Mean length	8.2757441
Min length	5

Characters and Unicode

Total characters	244391
Distinct characters	38
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	Ahmedabad
2nd row	Ahmedabad
3rd row	Ahmedabad
4th row	Ahmedabad
5th row	Ahmedabad

Common Values

Value	Count	Frequency (%)
Ahmedabad	2009	6.8%
Bengaluru	2009	6.8%
Chennai	2009	6.8%
Mumbai	2009	6.8%
Lucknow	2009	6.8%
Delhi	2009	6.8%
Hyderabad	2006	6.8%
Patna	1858	6.3%
Gurugram	1679	5.7%
Visakhapatnam	1462	5.0%
Other values (16)	10472	35.5%

Length

Histogram of lengths of the category

Value	Count	Frequency (%)
ahmedabad	2009	6.8%
bengaluru	2009	6.8%
chennai	2009	6.8%
mumbai	2009	6.8%
lucknow	2009	6.8%
delhi	2009	6.8%
hyderabad	2006	6.8%
patna	1858	6.3%
gurugram	1679	5.7%
visakhapatnam	1462	5.0%
Other values (16)	10472	35.5%

Most occurring characters

Value	Count	Frequency (%)
a	46303	18.9%
r	21033	8.6%
u	15396	6.3%
n	15294	6.3%
h	13678	5.6%
i	13664	5.6%
e	11353	4.6%
m	10991	4.5%
d	8334	3.4%
t	8306	3.4%
Other values (28)	80039	32.8%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	244391	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
a	46303	18.9%
r	21033	8.6%
u	15396	6.3%
n	15294	6.3%
h	13678	5.6%
i	13664	5.6%
e	11353	4.6%
m	10991	4.5%
d	8334	3.4%
t	8306	3.4%
Other values (28)	80039	32.8%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	244391	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
a	46303	18.9%
r	21033	8.6%
u	15396	6.3%
n	15294	6.3%
h	13678	5.6%
i	13664	5.6%
e	11353	4.6%
m	10991	4.5%
d	8334	3.4%
t	8306	3.4%
Other values (28)	80039	32.8%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	244391	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
a	46303	18.9%
r	21033	8.6%
u	15396	6.3%
n	15294	6.3%
h	13678	5.6%
i	13664	5.6%
e	11353	4.6%
m	10991	4.5%
d	8334	3.4%
t	8306	3.4%
Other values (28)	80039	32.8%

Date
Date

Distinct	2009
Distinct (%)	6.8%
Missing	0
Missing (%)	0.0%
Memory size	230.8 KiB

Minimum	2015-01-01 00:00:00
Maximum	2020-07-01 00:00:00
Invalid dates	0
Invalid dates (%)	0.0%

Histogram with fixed size bins (bins=50)

PM2.5
Real number (ℝ)

High correlation

Distinct	11716
Distinct (%)	39.7%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	64.510857

Minimum	0.04
Maximum	949.99
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	230.8 KiB

Quantile statistics

Minimum	0.04
5-th percentile	14.14
Q1	32.15
median	48.57
Q3	72.45
95-th percentile	180.215
Maximum	949.99
Range	949.95
Interquartile range (IQR)	40.3

Descriptive statistics

Standard deviation	59.807551
Coefficient of variation (CV)	0.92709281
Kurtosis	25.559898
Mean	64.510857
Median Absolute Deviation (MAD)	18.75
Skewness	3.7383702
Sum	1905070.1
Variance	3576.9432
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
48.57	4600	15.6%
11	19	0.1%
20.75	12	< 0.1%
27.82	11	< 0.1%
29.75	10	< 0.1%
11.81	10	< 0.1%
18.81	10	< 0.1%
28.45	10	< 0.1%
47.43	10	< 0.1%
15	10	< 0.1%
Other values (11706)	24829	84.1%

Value	Count	Frequency (%)
0.04	1	< 0.1%
0.16	1	< 0.1%
0.24	1	< 0.1%
0.28	1	< 0.1%
0.98	1	< 0.1%
0.99	1	< 0.1%
1.14	1	< 0.1%
1.19	1	< 0.1%
1.25	1	< 0.1%
1.39	1	< 0.1%

Value	Count	Frequency (%)
949.99	1	< 0.1%
917.77	1	< 0.1%
916.67	1	< 0.1%
914.94	1	< 0.1%
914.64	1	< 0.1%
894.75	1	< 0.1%
868.66	1	< 0.1%
858.73	1	< 0.1%
832.8	1	< 0.1%
821.42	1	< 0.1%

PM10
Real number (ℝ)

High correlation

Distinct	12571
Distinct (%)	42.6%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	109.65937

Minimum	0.01
Maximum	1000
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	230.8 KiB

Quantile statistics

Minimum	0.01
5-th percentile	31.605
Q1	79.315
median	95.68
Q3	111.88
95-th percentile	255.335
Maximum	1000
Range	999.99
Interquartile range (IQR)	32.565

Descriptive statistics

Standard deviation	72.32402
Coefficient of variation (CV)	0.65953345
Kurtosis	13.209428
Mean	109.65937
Median Absolute Deviation (MAD)	16.27
Skewness	2.8554438
Sum	3238350.7
Variance	5230.7639
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
95.68	11142	37.7%
94	9	< 0.1%
33.81	7	< 0.1%
20.53	6	< 0.1%
43.1	6	< 0.1%
109.67	6	< 0.1%
72.04	6	< 0.1%
39.46	6	< 0.1%
102.17	6	< 0.1%
84.08	6	< 0.1%
Other values (12561)	18331	62.1%

Value	Count	Frequency (%)
0.01	1	< 0.1%
0.02	1	< 0.1%
0.03	1	< 0.1%
0.04	2	< 0.1%
0.06	1	< 0.1%
0.07	1	< 0.1%
0.13	2	< 0.1%
0.14	2	< 0.1%
0.16	1	< 0.1%
0.17	2	< 0.1%

Value	Count	Frequency (%)
1000	1	< 0.1%
985	2	< 0.1%
917.08	1	< 0.1%
847.41	1	< 0.1%
802.87	1	< 0.1%
796.88	1	< 0.1%
768.16	1	< 0.1%
763.58	1	< 0.1%
761.91	1	< 0.1%
743.98	1	< 0.1%

NO
Real number (ℝ)

High correlation

Distinct	5776
Distinct (%)	19.6%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	16.642601

Minimum	0.02
Maximum	390.68
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	230.8 KiB

Quantile statistics

Minimum	0.02
5-th percentile	1.88
Q1	6.21
median	9.89
Q3	17.57
95-th percentile	57.255
Maximum	390.68
Range	390.66
Interquartile range (IQR)	11.36

Descriptive statistics

Standard deviation	21.506064
Coefficient of variation (CV)	1.2922298
Kurtosis	28.90099
Mean	16.642601
Median Absolute Deviation (MAD)	4.67
Skewness	4.1827986
Sum	491472.64
Variance	462.51078
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
9.89	3592	12.2%
5.93	34	0.1%
7.78	29	0.1%
8.78	29	0.1%
0.92	28	0.1%
0.97	27	0.1%
1.94	27	0.1%
0.9	26	0.1%
2.89	26	0.1%
7.97	26	0.1%
Other values (5766)	25687	87.0%

Value	Count	Frequency (%)
0.02	7	< 0.1%
0.03	3	< 0.1%
0.06	2	< 0.1%
0.09	2	< 0.1%
0.1	1	< 0.1%
0.11	2	< 0.1%
0.12	1	< 0.1%
0.13	1	< 0.1%
0.14	1	< 0.1%
0.18	1	< 0.1%

Value	Count	Frequency (%)
390.68	1	< 0.1%
382.44	1	< 0.1%
351.3	1	< 0.1%
304.26	1	< 0.1%
289.75	1	< 0.1%
288.55	1	< 0.1%
287.14	1	< 0.1%
273.39	1	< 0.1%
270.09	1	< 0.1%
268.03	1	< 0.1%

NO2
Real number (ℝ)

High correlation

Distinct	7404
Distinct (%)	25.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	27.726576

Minimum	0.01
Maximum	362.21
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	230.8 KiB

Quantile statistics

Minimum	0.01
5-th percentile	5.4
Q1	12.98
median	21.69
Q3	34.665
95-th percentile	70.83
Maximum	362.21
Range	362.2
Interquartile range (IQR)	21.685

Descriptive statistics

Standard deviation	23.050531
Coefficient of variation (CV)	0.83135152
Kurtosis	13.252875
Mean	27.726576
Median Absolute Deviation (MAD)	10.04
Skewness	2.697408
Sum	818793.51
Variance	531.32698
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
21.69	3590	12.2%
10.58	24	0.1%
9.42	23	0.1%
9.14	18	0.1%
10.21	17	0.1%
7.14	17	0.1%
9.44	17	0.1%
9.47	17	0.1%
9.24	17	0.1%
10.09	17	0.1%
Other values (7394)	25774	87.3%

Value	Count	Frequency (%)
0.01	2	< 0.1%
0.02	5	< 0.1%
0.03	9	< 0.1%
0.04	2	< 0.1%
0.05	3	< 0.1%
0.06	3	< 0.1%
0.07	7	< 0.1%
0.08	5	< 0.1%
0.09	7	< 0.1%
0.1	4	< 0.1%

Value	Count	Frequency (%)
362.21	1	< 0.1%
292.02	1	< 0.1%
277.31	1	< 0.1%
273.39	1	< 0.1%
266.46	1	< 0.1%
245.62	1	< 0.1%
241.34	1	< 0.1%
239.18	1	< 0.1%
239.1	1	< 0.1%
237.27	1	< 0.1%

NOx
Real number (ℝ)

High correlation Zeros

Distinct	8156
Distinct (%)	27.6%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	31.063568

Minimum	0
Maximum	467.63
Zeros	740
Zeros (%)	2.5%
Negative	0
Negative (%)	0.0%
Memory size	230.8 KiB

Quantile statistics

Minimum	0
5-th percentile	3.41
Q1	14.67
median	23.52
Q3	36.015
95-th percentile	90.13
Maximum	467.63
Range	467.63
Interquartile range (IQR)	21.345

Descriptive statistics

Standard deviation	29.477748
Coefficient of variation (CV)	0.94894919
Kurtosis	13.246348
Mean	31.063568
Median Absolute Deviation (MAD)	10.14
Skewness	2.8521721
Sum	917338.24
Variance	868.93764
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
23.52	4193	14.2%
0	740	2.5%
4.22	208	0.7%
6.24	115	0.4%
4.3	35	0.1%
2.21	31	0.1%
4.95	19	0.1%
4.14	18	0.1%
4.47	17	0.1%
4.97	16	0.1%
Other values (8146)	24139	81.7%

Value	Count	Frequency (%)
0	740	2.5%
0.03	4	< 0.1%
0.04	9	< 0.1%
0.05	3	< 0.1%
0.06	2	< 0.1%
0.07	2	< 0.1%
0.09	1	< 0.1%
0.1	3	< 0.1%
0.11	2	< 0.1%
0.12	1	< 0.1%

Value	Count	Frequency (%)
467.63	1	< 0.1%
382.84	1	< 0.1%
378.31	1	< 0.1%
378.24	1	< 0.1%
302.78	1	< 0.1%
293.1	1	< 0.1%
289.09	1	< 0.1%
287.89	1	< 0.1%
273.33	1	< 0.1%
271.94	1	< 0.1%

NH3
Real number (ℝ)

Distinct	5922
Distinct (%)	20.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	20.813789

Minimum	0.01
Maximum	352.89
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	230.8 KiB

Quantile statistics

Minimum	0.01
5-th percentile	3.66
Q1	12.04
median	15.85
Q3	21.755
95-th percentile	53.64
Maximum	352.89
Range	352.88
Interquartile range (IQR)	9.715

Descriptive statistics

Standard deviation	21.028862
Coefficient of variation (CV)	1.0103332
Kurtosis	44.355841
Mean	20.813789
Median Absolute Deviation (MAD)	4.37
Skewness	5.2046589
Sum	614651.99
Variance	442.21305
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
15.85	10332	35.0%
6.29	36	0.1%
6.32	29	0.1%
6.31	28	0.1%
6.3	28	0.1%
6.28	27	0.1%
6.27	24	0.1%
10.46	23	0.1%
6.59	22	0.1%
6.6	21	0.1%
Other values (5912)	18961	64.2%

Value	Count	Frequency (%)
0.01	2	< 0.1%
0.02	6	< 0.1%
0.04	1	< 0.1%
0.05	1	< 0.1%
0.06	1	< 0.1%
0.08	2	< 0.1%
0.1	1	< 0.1%
0.11	4	< 0.1%
0.12	3	< 0.1%
0.13	2	< 0.1%

Value	Count	Frequency (%)
352.89	1	< 0.1%
328.89	1	< 0.1%
323.48	1	< 0.1%
309.04	1	< 0.1%
303.53	1	< 0.1%
302.08	1	< 0.1%
301.28	1	< 0.1%
301.18	1	< 0.1%
297.64	1	< 0.1%
296.43	1	< 0.1%

CO
Real number (ℝ)

Zeros

Distinct	1779
Distinct (%)	6.0%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	2.1538722

Minimum	0
Maximum	175.81
Zeros	2328
Zeros (%)	7.9%
Negative	0
Negative (%)	0.0%
Memory size	230.8 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0.54
median	0.89
Q3	1.38
95-th percentile	7.155
Maximum	175.81
Range	175.81
Interquartile range (IQR)	0.84

Descriptive statistics

Standard deviation	6.7246605
Coefficient of variation (CV)	3.122126
Kurtosis	117.79595
Mean	2.1538722
Median Absolute Deviation (MAD)	0.4
Skewness	9.2101442
Sum	63606
Variance	45.221058
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	2328	7.9%
0.89	2262	7.7%
0.68	209	0.7%
0.85	208	0.7%
0.8	205	0.7%
0.84	200	0.7%
0.78	200	0.7%
0.81	199	0.7%
0.64	198	0.7%
0.67	194	0.7%
Other values (1769)	23328	79.0%

Value	Count	Frequency (%)
0	2328	7.9%
0.01	59	0.2%
0.02	59	0.2%
0.03	56	0.2%
0.04	30	0.1%
0.05	48	0.2%
0.06	42	0.1%
0.07	40	0.1%
0.08	34	0.1%
0.09	38	0.1%

Value	Count	Frequency (%)
175.81	1	< 0.1%
145.32	1	< 0.1%
134.85	1	< 0.1%
132.47	1	< 0.1%
132.07	1	< 0.1%
124.01	1	< 0.1%
119.68	1	< 0.1%
119.3	1	< 0.1%
118.02	1	< 0.1%
118	1	< 0.1%

SO2
Real number (ℝ)

Distinct	4761
Distinct (%)	16.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	13.830897

Minimum	0.01
Maximum	193.86
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	230.8 KiB

Quantile statistics

Minimum	0.01
5-th percentile	2.8
Q1	6.09
median	9.16
Q3	13.81
95-th percentile	43.165
Maximum	193.86
Range	193.85
Interquartile range (IQR)	7.72

Descriptive statistics

Standard deviation	17.005647
Coefficient of variation (CV)	1.2295404
Kurtosis	25.900578
Mean	13.830897
Median Absolute Deviation (MAD)	3.51
Skewness	4.4248517
Sum	408440.22
Variance	289.19203
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
9.16	3864	13.1%
5.74	36	0.1%
6.12	35	0.1%
4.65	32	0.1%
5.81	32	0.1%
5.53	32	0.1%
6.61	32	0.1%
5.95	31	0.1%
5.57	31	0.1%
6.47	31	0.1%
Other values (4751)	25375	85.9%

Value	Count	Frequency (%)
0.01	1	< 0.1%
0.04	1	< 0.1%
0.21	1	< 0.1%
0.26	1	< 0.1%
0.36	1	< 0.1%
0.41	2	< 0.1%
0.42	1	< 0.1%
0.44	1	< 0.1%
0.48	1	< 0.1%
0.49	1	< 0.1%

Value	Count	Frequency (%)
193.86	1	< 0.1%
187.02	1	< 0.1%
186.08	1	< 0.1%
182.39	1	< 0.1%
180.85	1	< 0.1%
179.18	1	< 0.1%
178.93	1	< 0.1%
178.63	1	< 0.1%
178.58	1	< 0.1%
176.88	1	< 0.1%

O3
Real number (ℝ)

Distinct	7699
Distinct (%)	26.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	33.994121

Minimum	0.01
Maximum	257.73
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	230.8 KiB

Quantile statistics

Minimum	0.01
5-th percentile	7.67
Q1	20.74
median	30.84
Q3	42.73
95-th percentile	71.78
Maximum	257.73
Range	257.72
Interquartile range (IQR)	21.99

Descriptive statistics

Standard deviation	20.202304
Coefficient of variation (CV)	0.59428817
Kurtosis	4.5298247
Mean	33.994121
Median Absolute Deviation (MAD)	10.92
Skewness	1.4959537
Sum	1003880.4
Variance	408.13307
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
30.84	4030	13.6%
16.48	17	0.1%
22.14	15	0.1%
23.6	15	0.1%
18.33	14	< 0.1%
19.64	14	< 0.1%
13.14	13	< 0.1%
22.94	13	< 0.1%
19.68	13	< 0.1%
32.06	13	< 0.1%
Other values (7689)	25374	85.9%

Value	Count	Frequency (%)
0.01	4	< 0.1%
0.02	7	< 0.1%
0.03	2	< 0.1%
0.04	3	< 0.1%
0.05	2	< 0.1%
0.06	3	< 0.1%
0.07	1	< 0.1%
0.1	8	< 0.1%
0.11	2	< 0.1%
0.12	1	< 0.1%

Value	Count	Frequency (%)
257.73	1	< 0.1%
200.41	1	< 0.1%
193.31	1	< 0.1%
186.07	1	< 0.1%
177.07	1	< 0.1%
175.04	1	< 0.1%
172.28	1	< 0.1%
169.36	1	< 0.1%
169.35	1	< 0.1%
165.48	1	< 0.1%

Benzene
Real number (ℝ)

High correlation Skewed Zeros

Distinct	1873
Distinct (%)	6.3%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	2.859874

Minimum	0
Maximum	455.03
Zeros	3802
Zeros (%)	12.9%
Negative	0
Negative (%)	0.0%
Memory size	230.8 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0.24
median	1.07
Q3	2.42
95-th percentile	8.23
Maximum	455.03
Range	455.03
Interquartile range (IQR)	2.18

Descriptive statistics

Standard deviation	14.252822
Coefficient of variation (CV)	4.9837235
Kurtosis	653.45478
Mean	2.859874
Median Absolute Deviation (MAD)	0.93
Skewness	23.63338
Sum	84454.94
Variance	203.14292
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
1.07	5667	19.2%
0	3802	12.9%
0.03	300	1.0%
0.02	292	1.0%
0.01	217	0.7%
0.04	190	0.6%
0.05	176	0.6%
2	170	0.6%
0.09	170	0.6%
0.1	167	0.6%
Other values (1863)	18380	62.2%

Value	Count	Frequency (%)
0	3802	12.9%
0.01	217	0.7%
0.02	292	1.0%
0.03	300	1.0%
0.04	190	0.6%
0.05	176	0.6%
0.06	146	0.5%
0.07	123	0.4%
0.08	157	0.5%
0.09	170	0.6%

Value	Count	Frequency (%)
455.03	1	< 0.1%
454.85	1	< 0.1%
449.38	1	< 0.1%
448.59	1	< 0.1%
445.83	1	< 0.1%
443.63	1	< 0.1%
438.01	1	< 0.1%
435.9	1	< 0.1%
435.09	1	< 0.1%
432.94	1	< 0.1%

Toluene
Real number (ℝ)

High correlation Zeros

Distinct	3608
Distinct (%)	12.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	7.1404849

Minimum	0
Maximum	454.85
Zeros	2861
Zeros (%)	9.7%
Negative	0
Negative (%)	0.0%
Memory size	230.8 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	1.28
median	2.97
Q3	6.02
95-th percentile	31.46
Maximum	454.85
Range	454.85
Interquartile range (IQR)	4.74

Descriptive statistics

Standard deviation	17.224737
Coefficient of variation (CV)	2.4122644
Kurtosis	290.69125
Mean	7.1404849
Median Absolute Deviation (MAD)	2.03
Skewness	13.490402
Sum	210865.66
Variance	296.69157
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
2.97	8058	27.3%
0	2861	9.7%
0.02	111	0.4%
0.03	102	0.3%
0.05	99	0.3%
0.04	86	0.3%
1.1	83	0.3%
6	79	0.3%
0.08	76	0.3%
0.06	72	0.2%
Other values (3598)	17904	60.6%

Value	Count	Frequency (%)
0	2861	9.7%
0.01	70	0.2%
0.02	111	0.4%
0.03	102	0.3%
0.04	86	0.3%
0.05	99	0.3%
0.06	72	0.2%
0.07	61	0.2%
0.08	76	0.3%
0.09	54	0.2%

Value	Count	Frequency (%)
454.85	1	< 0.1%
454.12	1	< 0.1%
449.14	1	< 0.1%
448.87	1	< 0.1%
445.84	1	< 0.1%
443.63	1	< 0.1%
437.77	1	< 0.1%
435.94	1	< 0.1%
434.92	1	< 0.1%
433.02	1	< 0.1%

AQI
Real number (ℝ)

High correlation

Distinct	829
Distinct (%)	2.8%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	158.78155

Minimum	13
Maximum	2049
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	230.8 KiB

Quantile statistics

Minimum	13
5-th percentile	52
Q1	88
median	118
Q3	179
95-th percentile	391
Maximum	2049
Range	2036
Interquartile range (IQR)	91

Descriptive statistics

Standard deviation	130.27241
Coefficient of variation (CV)	0.82045056
Kurtosis	25.833384
Mean	158.78155
Median Absolute Deviation (MAD)	38
Skewness	3.7697515
Sum	4688978
Variance	16970.902
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
118	4829	16.4%
102	223	0.8%
100	222	0.8%
70	208	0.7%
106	208	0.7%
78	198	0.7%
98	195	0.7%
104	192	0.7%
66	192	0.7%
80	190	0.6%
Other values (819)	22874	77.5%

Value	Count	Frequency (%)
13	1	< 0.1%
14	3	< 0.1%
15	3	< 0.1%
16	4	< 0.1%
17	7	< 0.1%
18	2	< 0.1%
19	27	0.1%
20	29	0.1%
21	7	< 0.1%
22	8	< 0.1%

Value	Count	Frequency (%)
2049	1	< 0.1%
1917	1	< 0.1%
1842	1	< 0.1%
1747	1	< 0.1%
1719	1	< 0.1%
1672	1	< 0.1%
1646	1	< 0.1%
1630	1	< 0.1%
1613	1	< 0.1%
1595	1	< 0.1%

AQI_Bucket
Categorical

High correlation

Distinct	6
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	1.8 MiB

Moderate	13510
Satisfactory	8224
Poor	2781
Very Poor	2337
Good	1341

Length

Max length	12
Median length	9
Mean length	8.5441401
Min length	4

Characters and Unicode

Total characters	252317
Distinct characters	18
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	Moderate
2nd row	Moderate
3rd row	Moderate
4th row	Moderate
5th row	Moderate

Common Values

Value	Count	Frequency (%)
Moderate	13510	45.7%
Satisfactory	8224	27.8%
Poor	2781	9.4%
Very Poor	2337	7.9%
Good	1341	4.5%
Severe	1338	4.5%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
moderate	13510	42.4%
satisfactory	8224	25.8%
poor	5118	16.1%
very	2337	7.3%
good	1341	4.2%
severe	1338	4.2%

Most occurring characters

Value	Count	Frequency (%)
o	34652	13.7%
e	33371	13.2%
r	30527	12.1%
a	29958	11.9%
t	29958	11.9%
d	14851	5.9%
M	13510	5.4%
y	10561	4.2%
S	9562	3.8%
i	8224	3.3%
Other values (8)	37143	14.7%

Most occurring categories

Value	Count	Frequency (%)
(unknown)	252317	100.0%

Most frequent character per category

(unknown)

Value	Count	Frequency (%)
o	34652	13.7%
e	33371	13.2%
r	30527	12.1%
a	29958	11.9%
t	29958	11.9%
d	14851	5.9%
M	13510	5.4%
y	10561	4.2%
S	9562	3.8%
i	8224	3.3%
Other values (8)	37143	14.7%

Most occurring scripts

Value	Count	Frequency (%)
(unknown)	252317	100.0%

Most frequent character per script

(unknown)

Value	Count	Frequency (%)
o	34652	13.7%
e	33371	13.2%
r	30527	12.1%
a	29958	11.9%
t	29958	11.9%
d	14851	5.9%
M	13510	5.4%
y	10561	4.2%
S	9562	3.8%
i	8224	3.3%
Other values (8)	37143	14.7%

Most occurring blocks

Value	Count	Frequency (%)
(unknown)	252317	100.0%

Most frequent character per block

(unknown)

Value	Count	Frequency (%)
o	34652	13.7%
e	33371	13.2%
r	30527	12.1%
a	29958	11.9%
t	29958	11.9%
d	14851	5.9%
M	13510	5.4%
y	10561	4.2%
S	9562	3.8%
i	8224	3.3%
Other values (8)	37143	14.7%

	AQI	AQI_Bucket	Benzene	CO	City	NH3	NO	NO2	NOx	O3	PM10	PM2.5	SO2	Toluene
AQI	1.000	0.578	0.215	0.465	0.208	0.275	0.428	0.424	0.423	0.267	0.675	0.813	0.349	0.283
AQI_Bucket	0.578	1.000	0.023	0.260	0.350	0.091	0.182	0.235	0.197	0.144	0.317	0.420	0.195	0.123
Benzene	0.215	0.023	1.000	0.242	0.099	0.089	0.218	0.280	0.237	0.137	0.210	0.190	0.148	0.710
CO	0.465	0.260	0.242	1.000	0.174	0.166	0.317	0.243	0.306	0.064	0.229	0.328	0.223	0.315
City	0.208	0.350	0.099	0.174	1.000	0.216	0.136	0.177	0.171	0.163	0.220	0.163	0.218	0.129
NH3	0.275	0.091	0.089	0.166	0.216	1.000	0.273	0.389	0.231	0.169	0.293	0.294	0.067	0.069
NO	0.428	0.182	0.218	0.317	0.136	0.273	1.000	0.466	0.702	-0.057	0.396	0.397	0.330	0.184
NO2	0.424	0.235	0.280	0.243	0.177	0.389	0.466	1.000	0.588	0.295	0.405	0.427	0.226	0.324
NOx	0.423	0.197	0.237	0.306	0.171	0.231	0.702	0.588	1.000	0.037	0.401	0.392	0.316	0.257
O3	0.267	0.144	0.137	0.064	0.163	0.169	-0.057	0.295	0.037	1.000	0.226	0.260	0.187	0.195
PM10	0.675	0.317	0.210	0.229	0.220	0.293	0.396	0.405	0.401	0.226	1.000	0.684	0.302	0.235
PM2.5	0.813	0.420	0.190	0.328	0.163	0.294	0.397	0.427	0.392	0.260	0.684	1.000	0.262	0.226
SO2	0.349	0.195	0.148	0.223	0.218	0.067	0.330	0.226	0.316	0.187	0.302	0.262	1.000	0.239
Toluene	0.283	0.123	0.710	0.315	0.129	0.069	0.184	0.324	0.257	0.195	0.235	0.226	0.239	1.000

A simple visualization of nullity by column.

Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

	City	Date	PM2.5	PM10	NO	NO2	NOx	NH3	CO	SO2	O3	Benzene	Toluene	AQI	AQI_Bucket
0	Ahmedabad	1/1/2015	48.57	95.68	0.92	18.22	17.15	15.85	0.92	27.64	133.36	0.00	0.02	118.0	Moderate
1	Ahmedabad	1/2/2015	48.57	95.68	0.97	15.69	16.46	15.85	0.97	24.55	34.06	3.68	5.50	118.0	Moderate
2	Ahmedabad	1/3/2015	48.57	95.68	17.40	19.30	29.70	15.85	17.40	29.07	30.70	6.80	16.40	118.0	Moderate
3	Ahmedabad	1/4/2015	48.57	95.68	1.70	18.48	17.97	15.85	1.70	18.59	36.08	4.43	10.14	118.0	Moderate
4	Ahmedabad	1/5/2015	48.57	95.68	22.10	21.42	37.76	15.85	22.10	39.33	39.31	7.01	18.89	118.0	Moderate
5	Ahmedabad	1/6/2015	48.57	95.68	45.41	38.48	81.50	15.85	45.41	45.76	46.51	5.42	10.83	118.0	Moderate
6	Ahmedabad	1/7/2015	48.57	95.68	112.16	40.62	130.77	15.85	112.16	32.28	33.47	0.00	0.00	118.0	Moderate
7	Ahmedabad	1/8/2015	48.57	95.68	80.87	36.74	96.75	15.85	80.87	38.54	31.89	0.00	0.00	118.0	Moderate
8	Ahmedabad	1/9/2015	48.57	95.68	29.16	31.00	48.00	15.85	29.16	58.68	25.75	0.00	0.00	118.0	Moderate
9	Ahmedabad	1/10/2015	48.57	95.68	9.89	7.04	0.00	15.85	0.89	8.29	4.55	0.00	0.00	118.0	Moderate

	City	Date	PM2.5	PM10	NO	NO2	NOx	NH3	CO	SO2	O3	Benzene	Toluene	AQI	AQI_Bucket
29521	Visakhapatnam	6/22/2020	33.17	108.22	5.58	42.45	27.06	13.70	0.73	13.65	34.85	3.99	10.24	95.0	Satisfactory
29522	Visakhapatnam	6/23/2020	25.40	83.38	2.76	34.09	19.92	13.13	0.54	10.40	43.27	2.88	12.03	100.0	Satisfactory
29523	Visakhapatnam	6/24/2020	34.36	90.90	1.22	23.38	13.12	14.45	0.56	10.92	35.12	2.99	3.15	86.0	Satisfactory
29524	Visakhapatnam	6/25/2020	13.45	58.54	2.30	21.60	13.09	12.27	0.41	8.19	29.38	1.28	5.64	77.0	Satisfactory
29525	Visakhapatnam	6/26/2020	7.63	32.27	5.91	23.27	17.19	11.15	0.46	6.87	19.90	1.45	5.37	47.0	Good
29526	Visakhapatnam	6/27/2020	15.02	50.94	7.68	25.06	19.54	12.47	0.47	8.55	23.30	2.24	12.07	41.0	Good
29527	Visakhapatnam	6/28/2020	24.38	74.09	3.42	26.06	16.53	11.99	0.52	12.72	30.14	0.74	2.21	70.0	Satisfactory
29528	Visakhapatnam	6/29/2020	22.91	65.73	3.45	29.53	18.33	10.71	0.48	8.42	30.96	0.01	0.01	68.0	Satisfactory
29529	Visakhapatnam	6/30/2020	16.64	49.97	4.05	29.26	18.80	10.03	0.52	9.84	28.30	0.00	0.00	54.0	Satisfactory
29530	Visakhapatnam	7/1/2020	15.00	66.00	0.40	26.85	14.05	5.20	0.59	2.10	17.05	1.07	2.97	50.0	Good

Overview

Common Values

Length

Most occurring characters

Most occurring categories

Most frequent character per category

(unknown)

Most occurring scripts

Most frequent character per script

(unknown)

Most occurring blocks

Most frequent character per block

(unknown)

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

(unknown)

Most occurring scripts

Most frequent character per script

(unknown)

Most occurring blocks

Most frequent character per block

(unknown)

Interactions

Correlations

Missing values

Sample

Overview

Variables

Common Values

Length

Most occurring characters

Most occurring categories

Most frequent character per category

(unknown)

Most occurring scripts

Most frequent character per script

(unknown)

Most occurring blocks

Most frequent character per block

(unknown)

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

(unknown)

Most occurring scripts

Most frequent character per script

(unknown)

Most occurring blocks

Most frequent character per block

(unknown)

Interactions

Correlations

Missing values

Sample